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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 348 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.98³ =
  2. 2.991³ =
  3. 3.106³ =
  4. 4.991³ =
  5. 5.93³ =
  6. 6.98³ =
  7. 7.109³ =
  8. 8.104³ =
  9. 9.1016³ =
  10. 10.1003³ =
  11. 11.1006³ =
  12. 12.99³ =
  13. 13.101³ =
  14. 14.1011³ =
  15. 15.1017³ =
  16. 16.984³ =
  17. 17.98³ =
  18. 18.99³ =
  19. 19.985³ =
  20. 20.998³ =
  21. 21.98³ =
  22. 22.91³ =
  23. 23.987³ =
  24. 24.1017³ =
  25. 25.95³ =
  26. 26.95³ =
  27. 27.97³ =
  28. 28.93³ =
  29. 29.99³ =
  30. 30.98³ =
  31. 31.981³ =
  32. 32.993³ =
  33. 33.101³ =
  34. 34.991³ =
  35. 35.106³ =
  36. 36.107³ =
  37. 37.105³ =
  38. 38.995³ =
  39. 39.981³ =
  40. 40.97³ =

Answer key

  1. 941192
  2. 973242271
  3. 1191016
  4. 973242271
  5. 804357
  6. 941192
  7. 1295029
  8. 1124864
  9. 1048772096
  10. 1009027027
  11. 1018108216
  12. 970299
  13. 1030301
  14. 1033364331
  15. 1051871913
  16. 952763904
  17. 941192
  18. 970299
  19. 955671625
  20. 994011992
  21. 941192
  22. 753571
  23. 961504803
  24. 1051871913
  25. 857375
  26. 857375
  27. 912673
  28. 804357
  29. 970299
  30. 941192
  31. 944076141
  32. 979146657
  33. 1030301
  34. 973242271
  35. 1191016
  36. 1225043
  37. 1157625
  38. 985074875
  39. 944076141
  40. 912673

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